| /* |
| * Copyright (C) 2010, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(INSPECTOR) |
| |
| #include "InspectorStyleSheet.h" |
| |
| #include "CSSImportRule.h" |
| #include "CSSMediaRule.h" |
| #include "CSSParser.h" |
| #include "CSSPropertyNames.h" |
| #include "CSSPropertySourceData.h" |
| #include "CSSRule.h" |
| #include "CSSRuleList.h" |
| #include "CSSStyleRule.h" |
| #include "CSSStyleSheet.h" |
| #include "CSSSupportsRule.h" |
| #include "ContentSecurityPolicy.h" |
| #include "Document.h" |
| #include "Element.h" |
| #include "HTMLHeadElement.h" |
| #include "HTMLNames.h" |
| #include "HTMLParserIdioms.h" |
| #include "InspectorCSSAgent.h" |
| #include "InspectorPageAgent.h" |
| #include "InspectorValues.h" |
| #include "Node.h" |
| #include "RegularExpression.h" |
| #include "SVGNames.h" |
| #include "StyleResolver.h" |
| #include "StyleRule.h" |
| #include "StyleRuleImport.h" |
| #include "StyleSheetContents.h" |
| #include "StyleSheetList.h" |
| #include "WebKitCSSKeyframesRule.h" |
| |
| #include <wtf/OwnPtr.h> |
| #include <wtf/PassOwnPtr.h> |
| #include <wtf/Vector.h> |
| #include <wtf/text/StringBuilder.h> |
| |
| using WebCore::TypeBuilder::Array; |
| using WebCore::RuleSourceDataList; |
| using WebCore::CSSRuleSourceData; |
| |
| class ParsedStyleSheet { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| ParsedStyleSheet(); |
| |
| WebCore::CSSStyleSheet* cssStyleSheet() const { return m_parserOutput; } |
| const String& text() const { return m_text; } |
| void setText(const String& text); |
| bool hasText() const { return m_hasText; } |
| RuleSourceDataList* sourceData() const { return m_sourceData.get(); } |
| void setSourceData(PassOwnPtr<RuleSourceDataList>); |
| bool hasSourceData() const { return m_sourceData; } |
| PassRefPtr<WebCore::CSSRuleSourceData> ruleSourceDataAt(unsigned) const; |
| |
| private: |
| |
| // StyleSheet constructed while parsing m_text. |
| WebCore::CSSStyleSheet* m_parserOutput; |
| String m_text; |
| bool m_hasText; |
| OwnPtr<RuleSourceDataList> m_sourceData; |
| }; |
| |
| ParsedStyleSheet::ParsedStyleSheet() |
| : m_parserOutput(0) |
| , m_hasText(false) |
| { |
| } |
| |
| void ParsedStyleSheet::setText(const String& text) |
| { |
| m_hasText = true; |
| m_text = text; |
| setSourceData(nullptr); |
| } |
| |
| static void flattenSourceData(RuleSourceDataList* dataList, RuleSourceDataList* target) |
| { |
| for (size_t i = 0; i < dataList->size(); ++i) { |
| RefPtr<CSSRuleSourceData>& data = dataList->at(i); |
| if (data->type == CSSRuleSourceData::STYLE_RULE) |
| target->append(data); |
| else if (data->type == CSSRuleSourceData::MEDIA_RULE) |
| flattenSourceData(&data->childRules, target); |
| #if ENABLE(CSS3_CONDITIONAL_RULES) |
| else if (data->type == CSSRuleSourceData::SUPPORTS_RULE) |
| flattenSourceData(&data->childRules, target); |
| #endif |
| } |
| } |
| |
| void ParsedStyleSheet::setSourceData(PassOwnPtr<RuleSourceDataList> sourceData) |
| { |
| if (!sourceData) { |
| m_sourceData.clear(); |
| return; |
| } |
| |
| m_sourceData = adoptPtr(new RuleSourceDataList()); |
| |
| // FIXME: This is a temporary solution to retain the original flat sourceData structure |
| // containing only style rules, even though CSSParser now provides the full rule source data tree. |
| // Normally, we should just assign m_sourceData = sourceData; |
| flattenSourceData(sourceData.get(), m_sourceData.get()); |
| } |
| |
| PassRefPtr<WebCore::CSSRuleSourceData> ParsedStyleSheet::ruleSourceDataAt(unsigned index) const |
| { |
| if (!hasSourceData() || index >= m_sourceData->size()) |
| return 0; |
| |
| return m_sourceData->at(index); |
| } |
| |
| namespace WebCore { |
| |
| enum MediaListSource { |
| MediaListSourceLinkedSheet, |
| MediaListSourceInlineSheet, |
| MediaListSourceMediaRule, |
| MediaListSourceImportRule |
| }; |
| |
| static PassRefPtr<TypeBuilder::CSS::SourceRange> buildSourceRangeObject(const SourceRange& range) |
| { |
| RefPtr<TypeBuilder::CSS::SourceRange> result = TypeBuilder::CSS::SourceRange::create() |
| .setStart(range.start) |
| .setEnd(range.end); |
| return result.release(); |
| } |
| |
| static PassRefPtr<TypeBuilder::CSS::CSSMedia> buildMediaObject(const MediaList* media, MediaListSource mediaListSource, const String& sourceURL) |
| { |
| // Make certain compilers happy by initializing |source| up-front. |
| TypeBuilder::CSS::CSSMedia::Source::Enum source = TypeBuilder::CSS::CSSMedia::Source::InlineSheet; |
| switch (mediaListSource) { |
| case MediaListSourceMediaRule: |
| source = TypeBuilder::CSS::CSSMedia::Source::MediaRule; |
| break; |
| case MediaListSourceImportRule: |
| source = TypeBuilder::CSS::CSSMedia::Source::ImportRule; |
| break; |
| case MediaListSourceLinkedSheet: |
| source = TypeBuilder::CSS::CSSMedia::Source::LinkedSheet; |
| break; |
| case MediaListSourceInlineSheet: |
| source = TypeBuilder::CSS::CSSMedia::Source::InlineSheet; |
| break; |
| } |
| |
| RefPtr<TypeBuilder::CSS::CSSMedia> mediaObject = TypeBuilder::CSS::CSSMedia::create() |
| .setText(media->mediaText()) |
| .setSource(source); |
| |
| if (!sourceURL.isEmpty()) { |
| mediaObject->setSourceURL(sourceURL); |
| mediaObject->setSourceLine(media->queries()->lastLine()); |
| } |
| return mediaObject.release(); |
| } |
| |
| static PassRefPtr<CSSRuleList> asCSSRuleList(CSSStyleSheet* styleSheet) |
| { |
| if (!styleSheet) |
| return 0; |
| |
| RefPtr<StaticCSSRuleList> list = StaticCSSRuleList::create(); |
| Vector<RefPtr<CSSRule> >& listRules = list->rules(); |
| for (unsigned i = 0, size = styleSheet->length(); i < size; ++i) { |
| CSSRule* item = styleSheet->item(i); |
| if (item->type() == CSSRule::CHARSET_RULE) |
| continue; |
| listRules.append(item); |
| } |
| return list.release(); |
| } |
| |
| static PassRefPtr<CSSRuleList> asCSSRuleList(CSSRule* rule) |
| { |
| if (!rule) |
| return 0; |
| |
| if (rule->type() == CSSRule::MEDIA_RULE) |
| return static_cast<CSSMediaRule*>(rule)->cssRules(); |
| |
| if (rule->type() == CSSRule::WEBKIT_KEYFRAMES_RULE) |
| return static_cast<WebKitCSSKeyframesRule*>(rule)->cssRules(); |
| |
| #if ENABLE(CSS3_CONDITIONAL_RULES) |
| if (rule->type() == CSSRule::SUPPORTS_RULE) |
| return static_cast<CSSSupportsRule*>(rule)->cssRules(); |
| #endif |
| |
| return 0; |
| } |
| |
| static void fillMediaListChain(CSSRule* rule, Array<TypeBuilder::CSS::CSSMedia>* mediaArray) |
| { |
| MediaList* mediaList; |
| CSSRule* parentRule = rule; |
| String sourceURL; |
| while (parentRule) { |
| CSSStyleSheet* parentStyleSheet = 0; |
| bool isMediaRule = true; |
| if (parentRule->type() == CSSRule::MEDIA_RULE) { |
| CSSMediaRule* mediaRule = static_cast<CSSMediaRule*>(parentRule); |
| mediaList = mediaRule->media(); |
| parentStyleSheet = mediaRule->parentStyleSheet(); |
| } else if (parentRule->type() == CSSRule::IMPORT_RULE) { |
| CSSImportRule* importRule = static_cast<CSSImportRule*>(parentRule); |
| mediaList = importRule->media(); |
| parentStyleSheet = importRule->parentStyleSheet(); |
| isMediaRule = false; |
| } else |
| mediaList = 0; |
| |
| if (parentStyleSheet) { |
| sourceURL = parentStyleSheet->contents()->baseURL(); |
| if (sourceURL.isEmpty()) |
| sourceURL = InspectorDOMAgent::documentURLString(parentStyleSheet->ownerDocument()); |
| } else |
| sourceURL = ""; |
| |
| if (mediaList && mediaList->length()) |
| mediaArray->addItem(buildMediaObject(mediaList, isMediaRule ? MediaListSourceMediaRule : MediaListSourceImportRule, sourceURL)); |
| |
| if (parentRule->parentRule()) |
| parentRule = parentRule->parentRule(); |
| else { |
| CSSStyleSheet* styleSheet = parentRule->parentStyleSheet(); |
| while (styleSheet) { |
| mediaList = styleSheet->media(); |
| if (mediaList && mediaList->length()) { |
| Document* doc = styleSheet->ownerDocument(); |
| if (doc) |
| sourceURL = doc->url(); |
| else if (!styleSheet->contents()->baseURL().isEmpty()) |
| sourceURL = styleSheet->contents()->baseURL(); |
| else |
| sourceURL = ""; |
| mediaArray->addItem(buildMediaObject(mediaList, styleSheet->ownerNode() ? MediaListSourceLinkedSheet : MediaListSourceInlineSheet, sourceURL)); |
| } |
| parentRule = styleSheet->ownerRule(); |
| if (parentRule) |
| break; |
| styleSheet = styleSheet->parentStyleSheet(); |
| } |
| } |
| } |
| } |
| |
| static PassOwnPtr<CSSParser> createCSSParser(Document* document) |
| { |
| return adoptPtr(new CSSParser(document ? CSSParserContext(document) : strictCSSParserContext())); |
| } |
| |
| PassRefPtr<InspectorStyle> InspectorStyle::create(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet) |
| { |
| return adoptRef(new InspectorStyle(styleId, style, parentStyleSheet)); |
| } |
| |
| InspectorStyle::InspectorStyle(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet) |
| : m_styleId(styleId) |
| , m_style(style) |
| , m_parentStyleSheet(parentStyleSheet) |
| , m_formatAcquired(false) |
| { |
| ASSERT(m_style); |
| } |
| |
| InspectorStyle::~InspectorStyle() |
| { |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyle> InspectorStyle::buildObjectForStyle() const |
| { |
| RefPtr<TypeBuilder::CSS::CSSStyle> result = styleWithProperties(); |
| if (!m_styleId.isEmpty()) |
| result->setStyleId(m_styleId.asProtocolValue<TypeBuilder::CSS::CSSStyleId>()); |
| |
| result->setWidth(m_style->getPropertyValue("width")); |
| result->setHeight(m_style->getPropertyValue("height")); |
| |
| RefPtr<CSSRuleSourceData> sourceData = m_parentStyleSheet ? m_parentStyleSheet->ruleSourceDataFor(m_style.get()) : 0; |
| if (sourceData) |
| result->setRange(buildSourceRangeObject(sourceData->ruleBodyRange)); |
| |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty> > InspectorStyle::buildArrayForComputedStyle() const |
| { |
| RefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty> > result = TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty>::create(); |
| Vector<InspectorStyleProperty> properties; |
| populateAllProperties(&properties); |
| |
| for (Vector<InspectorStyleProperty>::iterator it = properties.begin(), itEnd = properties.end(); it != itEnd; ++it) { |
| const CSSPropertySourceData& propertyEntry = it->sourceData; |
| RefPtr<TypeBuilder::CSS::CSSComputedStyleProperty> entry = TypeBuilder::CSS::CSSComputedStyleProperty::create() |
| .setName(propertyEntry.name) |
| .setValue(propertyEntry.value); |
| result->addItem(entry); |
| } |
| |
| return result.release(); |
| } |
| |
| // This method does the following preprocessing of |propertyText| with |overwrite| == false and |index| past the last active property: |
| // - If the last property (if present) has no closing ";", the ";" is prepended to the current |propertyText| value. |
| // - A heuristic formatting is attempted to retain the style structure. |
| // |
| // The propertyText (if not empty) is checked to be a valid style declaration (containing at least one property). If not, |
| // the method returns false (denoting an error). |
| bool InspectorStyle::setPropertyText(unsigned index, const String& propertyText, bool overwrite, String* oldText, ExceptionCode& ec) |
| { |
| ASSERT(m_parentStyleSheet); |
| DEFINE_STATIC_LOCAL(String, bogusPropertyName, (ASCIILiteral("-webkit-boguz-propertee"))); |
| |
| if (!m_parentStyleSheet->ensureParsedDataReady()) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| Vector<InspectorStyleProperty> allProperties; |
| populateAllProperties(&allProperties); |
| |
| if (propertyText.stripWhiteSpace().length()) { |
| RefPtr<StylePropertySet> tempMutableStyle = StylePropertySet::create(); |
| RefPtr<CSSRuleSourceData> sourceData = CSSRuleSourceData::create(CSSRuleSourceData::STYLE_RULE); |
| Document* ownerDocument = m_parentStyleSheet->pageStyleSheet() ? m_parentStyleSheet->pageStyleSheet()->ownerDocument() : 0; |
| createCSSParser(ownerDocument)->parseDeclaration(tempMutableStyle.get(), propertyText + " " + bogusPropertyName + ": none", sourceData, m_style->parentStyleSheet()->contents()); |
| Vector<CSSPropertySourceData>& propertyData = sourceData->styleSourceData->propertyData; |
| unsigned propertyCount = propertyData.size(); |
| |
| // At least one property + the bogus property added just above should be present. |
| if (propertyCount < 2) { |
| ec = SYNTAX_ERR; |
| return false; |
| } |
| |
| // Check for a proper propertyText termination (the parser could at least restore to the PROPERTY_NAME state). |
| if (propertyData.at(propertyCount - 1).name != bogusPropertyName) { |
| ec = SYNTAX_ERR; |
| return false; |
| } |
| } |
| |
| RefPtr<CSSRuleSourceData> sourceData = m_parentStyleSheet->ruleSourceDataFor(m_style.get()); |
| if (!sourceData) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| String text; |
| bool success = styleText(&text); |
| if (!success) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| InspectorStyleTextEditor editor(&allProperties, &m_disabledProperties, text, newLineAndWhitespaceDelimiters()); |
| if (overwrite) { |
| if (index >= allProperties.size()) { |
| ec = INDEX_SIZE_ERR; |
| return false; |
| } |
| *oldText = allProperties.at(index).rawText; |
| editor.replaceProperty(index, propertyText); |
| } else |
| editor.insertProperty(index, propertyText, sourceData->ruleBodyRange.length()); |
| |
| return applyStyleText(editor.styleText()); |
| } |
| |
| bool InspectorStyle::toggleProperty(unsigned index, bool disable, ExceptionCode& ec) |
| { |
| ASSERT(m_parentStyleSheet); |
| if (!m_parentStyleSheet->ensureParsedDataReady()) { |
| ec = NO_MODIFICATION_ALLOWED_ERR; |
| return false; |
| } |
| |
| RefPtr<CSSRuleSourceData> sourceData = m_parentStyleSheet->ruleSourceDataFor(m_style.get()); |
| if (!sourceData) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| String text; |
| bool success = styleText(&text); |
| if (!success) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| Vector<InspectorStyleProperty> allProperties; |
| populateAllProperties(&allProperties); |
| if (index >= allProperties.size()) { |
| ec = INDEX_SIZE_ERR; |
| return false; |
| } |
| |
| InspectorStyleProperty& property = allProperties.at(index); |
| if (property.disabled == disable) |
| return true; // Idempotent operation. |
| |
| InspectorStyleTextEditor editor(&allProperties, &m_disabledProperties, text, newLineAndWhitespaceDelimiters()); |
| if (disable) |
| editor.disableProperty(index); |
| else |
| editor.enableProperty(index); |
| |
| return applyStyleText(editor.styleText()); |
| } |
| |
| bool InspectorStyle::styleText(String* result) const |
| { |
| // Precondition: m_parentStyleSheet->ensureParsedDataReady() has been called successfully. |
| RefPtr<CSSRuleSourceData> sourceData = m_parentStyleSheet->ruleSourceDataFor(m_style.get()); |
| if (!sourceData) |
| return false; |
| |
| String styleSheetText; |
| bool success = m_parentStyleSheet->getText(&styleSheetText); |
| if (!success) |
| return false; |
| |
| SourceRange& bodyRange = sourceData->ruleBodyRange; |
| *result = styleSheetText.substring(bodyRange.start, bodyRange.end - bodyRange.start); |
| return true; |
| } |
| |
| bool InspectorStyle::populateAllProperties(Vector<InspectorStyleProperty>* result) const |
| { |
| HashSet<String> foundShorthands; |
| HashSet<String> sourcePropertyNames; |
| unsigned disabledIndex = 0; |
| unsigned disabledLength = m_disabledProperties.size(); |
| InspectorStyleProperty disabledProperty; |
| if (disabledIndex < disabledLength) |
| disabledProperty = m_disabledProperties.at(disabledIndex); |
| |
| RefPtr<CSSRuleSourceData> sourceData = (m_parentStyleSheet && m_parentStyleSheet->ensureParsedDataReady()) ? m_parentStyleSheet->ruleSourceDataFor(m_style.get()) : 0; |
| Vector<CSSPropertySourceData>* sourcePropertyData = sourceData ? &(sourceData->styleSourceData->propertyData) : 0; |
| if (sourcePropertyData) { |
| String styleDeclaration; |
| bool isStyleTextKnown = styleText(&styleDeclaration); |
| ASSERT_UNUSED(isStyleTextKnown, isStyleTextKnown); |
| for (Vector<CSSPropertySourceData>::const_iterator it = sourcePropertyData->begin(); it != sourcePropertyData->end(); ++it) { |
| while (disabledIndex < disabledLength && disabledProperty.sourceData.range.start <= it->range.start) { |
| result->append(disabledProperty); |
| if (++disabledIndex < disabledLength) |
| disabledProperty = m_disabledProperties.at(disabledIndex); |
| } |
| InspectorStyleProperty p(*it, true, false); |
| p.setRawTextFromStyleDeclaration(styleDeclaration); |
| result->append(p); |
| sourcePropertyNames.add(it->name.lower()); |
| } |
| } |
| |
| while (disabledIndex < disabledLength) { |
| disabledProperty = m_disabledProperties.at(disabledIndex++); |
| result->append(disabledProperty); |
| } |
| |
| for (int i = 0, size = m_style->length(); i < size; ++i) { |
| String name = m_style->item(i); |
| if (sourcePropertyNames.contains(name.lower())) |
| continue; |
| |
| sourcePropertyNames.add(name.lower()); |
| result->append(InspectorStyleProperty(CSSPropertySourceData(name, m_style->getPropertyValue(name), !m_style->getPropertyPriority(name).isEmpty(), true, SourceRange()), false, false)); |
| } |
| |
| return true; |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyle> InspectorStyle::styleWithProperties() const |
| { |
| Vector<InspectorStyleProperty> properties; |
| populateAllProperties(&properties); |
| |
| RefPtr<Array<TypeBuilder::CSS::CSSProperty> > propertiesObject = Array<TypeBuilder::CSS::CSSProperty>::create(); |
| RefPtr<Array<TypeBuilder::CSS::ShorthandEntry> > shorthandEntries = Array<TypeBuilder::CSS::ShorthandEntry>::create(); |
| HashMap<String, RefPtr<TypeBuilder::CSS::CSSProperty> > propertyNameToPreviousActiveProperty; |
| HashSet<String> foundShorthands; |
| String previousPriority; |
| String previousStatus; |
| |
| for (Vector<InspectorStyleProperty>::iterator it = properties.begin(), itEnd = properties.end(); it != itEnd; ++it) { |
| const CSSPropertySourceData& propertyEntry = it->sourceData; |
| const String& name = propertyEntry.name; |
| |
| TypeBuilder::CSS::CSSProperty::Status::Enum status = it->disabled ? TypeBuilder::CSS::CSSProperty::Status::Disabled : TypeBuilder::CSS::CSSProperty::Status::Active; |
| |
| RefPtr<TypeBuilder::CSS::CSSProperty> property = TypeBuilder::CSS::CSSProperty::create() |
| .setName(name) |
| .setValue(propertyEntry.value); |
| |
| propertiesObject->addItem(property); |
| |
| // Default "parsedOk" == true. |
| if (!propertyEntry.parsedOk) |
| property->setParsedOk(false); |
| if (it->hasRawText()) |
| property->setText(it->rawText); |
| |
| // Default "priority" == "". |
| if (propertyEntry.important) |
| property->setPriority("important"); |
| if (!it->disabled) { |
| if (it->hasSource) { |
| property->setImplicit(false); |
| property->setRange(buildSourceRangeObject(propertyEntry.range)); |
| |
| // Parsed property overrides any property with the same name. Non-parsed property overrides |
| // previous non-parsed property with the same name (if any). |
| bool shouldInactivate = false; |
| CSSPropertyID propertyId = cssPropertyID(name); |
| // Canonicalize property names to treat non-prefixed and vendor-prefixed property names the same (opacity vs. -webkit-opacity). |
| String canonicalPropertyName = propertyId ? getPropertyNameString(propertyId) : name; |
| HashMap<String, RefPtr<TypeBuilder::CSS::CSSProperty> >::iterator activeIt = propertyNameToPreviousActiveProperty.find(canonicalPropertyName); |
| if (activeIt != propertyNameToPreviousActiveProperty.end()) { |
| if (propertyEntry.parsedOk) { |
| bool successPriority = activeIt->value->getString(TypeBuilder::CSS::CSSProperty::Priority, &previousPriority); |
| bool successStatus = activeIt->value->getString(TypeBuilder::CSS::CSSProperty::Status, &previousStatus); |
| if (successStatus && previousStatus != "inactive") { |
| if (propertyEntry.important || !successPriority) // Priority not set == "not important". |
| shouldInactivate = true; |
| else if (status == TypeBuilder::CSS::CSSProperty::Status::Active) { |
| // Inactivate a non-important property following the same-named important property. |
| status = TypeBuilder::CSS::CSSProperty::Status::Inactive; |
| } |
| } |
| } else { |
| bool previousParsedOk; |
| bool success = activeIt->value->getBoolean(TypeBuilder::CSS::CSSProperty::ParsedOk, &previousParsedOk); |
| if (success && !previousParsedOk) |
| shouldInactivate = true; |
| } |
| } else |
| propertyNameToPreviousActiveProperty.set(canonicalPropertyName, property); |
| |
| if (shouldInactivate) { |
| activeIt->value->setStatus(TypeBuilder::CSS::CSSProperty::Status::Inactive); |
| propertyNameToPreviousActiveProperty.set(canonicalPropertyName, property); |
| } |
| } else { |
| bool implicit = m_style->isPropertyImplicit(name); |
| // Default "implicit" == false. |
| if (implicit) |
| property->setImplicit(true); |
| status = TypeBuilder::CSS::CSSProperty::Status::Style; |
| |
| String shorthand = m_style->getPropertyShorthand(name); |
| if (!shorthand.isEmpty()) { |
| if (!foundShorthands.contains(shorthand)) { |
| foundShorthands.add(shorthand); |
| RefPtr<TypeBuilder::CSS::ShorthandEntry> entry = TypeBuilder::CSS::ShorthandEntry::create() |
| .setName(shorthand) |
| .setValue(shorthandValue(shorthand)); |
| shorthandEntries->addItem(entry); |
| } |
| } |
| } |
| } |
| |
| // Default "status" == "style". |
| if (status != TypeBuilder::CSS::CSSProperty::Status::Style) |
| property->setStatus(status); |
| } |
| |
| RefPtr<TypeBuilder::CSS::CSSStyle> result = TypeBuilder::CSS::CSSStyle::create() |
| .setCssProperties(propertiesObject) |
| .setShorthandEntries(shorthandEntries); |
| return result.release(); |
| } |
| |
| bool InspectorStyle::applyStyleText(const String& text) |
| { |
| return m_parentStyleSheet->setStyleText(m_style.get(), text); |
| } |
| |
| String InspectorStyle::shorthandValue(const String& shorthandProperty) const |
| { |
| String value = m_style->getPropertyValue(shorthandProperty); |
| if (value.isEmpty()) { |
| for (unsigned i = 0; i < m_style->length(); ++i) { |
| String individualProperty = m_style->item(i); |
| if (m_style->getPropertyShorthand(individualProperty) != shorthandProperty) |
| continue; |
| if (m_style->isPropertyImplicit(individualProperty)) |
| continue; |
| String individualValue = m_style->getPropertyValue(individualProperty); |
| if (individualValue == "initial") |
| continue; |
| if (value.length()) |
| value.append(" "); |
| value.append(individualValue); |
| } |
| } |
| return value; |
| } |
| |
| String InspectorStyle::shorthandPriority(const String& shorthandProperty) const |
| { |
| String priority = m_style->getPropertyPriority(shorthandProperty); |
| if (priority.isEmpty()) { |
| for (unsigned i = 0; i < m_style->length(); ++i) { |
| String individualProperty = m_style->item(i); |
| if (m_style->getPropertyShorthand(individualProperty) != shorthandProperty) |
| continue; |
| priority = m_style->getPropertyPriority(individualProperty); |
| break; |
| } |
| } |
| return priority; |
| } |
| |
| Vector<String> InspectorStyle::longhandProperties(const String& shorthandProperty) const |
| { |
| Vector<String> properties; |
| HashSet<String> foundProperties; |
| for (unsigned i = 0; i < m_style->length(); ++i) { |
| String individualProperty = m_style->item(i); |
| if (foundProperties.contains(individualProperty) || m_style->getPropertyShorthand(individualProperty) != shorthandProperty) |
| continue; |
| |
| foundProperties.add(individualProperty); |
| properties.append(individualProperty); |
| } |
| return properties; |
| } |
| |
| NewLineAndWhitespace& InspectorStyle::newLineAndWhitespaceDelimiters() const |
| { |
| DEFINE_STATIC_LOCAL(String, defaultPrefix, (ASCIILiteral(" "))); |
| |
| if (m_formatAcquired) |
| return m_format; |
| |
| RefPtr<CSSRuleSourceData> sourceData = (m_parentStyleSheet && m_parentStyleSheet->ensureParsedDataReady()) ? m_parentStyleSheet->ruleSourceDataFor(m_style.get()) : 0; |
| Vector<CSSPropertySourceData>* sourcePropertyData = sourceData ? &(sourceData->styleSourceData->propertyData) : 0; |
| int propertyCount; |
| if (!sourcePropertyData || !(propertyCount = sourcePropertyData->size())) { |
| m_format.first = "\n"; |
| m_format.second = defaultPrefix; |
| return m_format; // Do not remember the default formatting and attempt to acquire it later. |
| } |
| |
| String text; |
| bool success = styleText(&text); |
| ASSERT_UNUSED(success, success); |
| |
| m_formatAcquired = true; |
| |
| String candidatePrefix = defaultPrefix; |
| StringBuilder formatLineFeed; |
| StringBuilder prefix; |
| int scanStart = 0; |
| int propertyIndex = 0; |
| bool isFullPrefixScanned = false; |
| bool lineFeedTerminated = false; |
| const UChar* characters = text.characters(); |
| while (propertyIndex < propertyCount) { |
| const WebCore::CSSPropertySourceData& currentProperty = sourcePropertyData->at(propertyIndex++); |
| |
| bool processNextProperty = false; |
| int scanEnd = currentProperty.range.start; |
| for (int i = scanStart; i < scanEnd; ++i) { |
| UChar ch = characters[i]; |
| bool isLineFeed = isHTMLLineBreak(ch); |
| if (isLineFeed) { |
| if (!lineFeedTerminated) |
| formatLineFeed.append(ch); |
| prefix.clear(); |
| } else if (isHTMLSpace(ch)) |
| prefix.append(ch); |
| else { |
| candidatePrefix = prefix.toString(); |
| prefix.clear(); |
| scanStart = currentProperty.range.end; |
| ++propertyIndex; |
| processNextProperty = true; |
| break; |
| } |
| if (!isLineFeed && formatLineFeed.length()) |
| lineFeedTerminated = true; |
| } |
| if (!processNextProperty) { |
| isFullPrefixScanned = true; |
| break; |
| } |
| } |
| |
| m_format.first = formatLineFeed.toString(); |
| m_format.second = isFullPrefixScanned ? prefix.toString() : candidatePrefix; |
| return m_format; |
| } |
| |
| PassRefPtr<InspectorStyleSheet> InspectorStyleSheet::create(InspectorPageAgent* pageAgent, const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, const String& documentURL, Listener* listener) |
| { |
| return adoptRef(new InspectorStyleSheet(pageAgent, id, pageStyleSheet, origin, documentURL, listener)); |
| } |
| |
| // static |
| String InspectorStyleSheet::styleSheetURL(CSSStyleSheet* pageStyleSheet) |
| { |
| if (pageStyleSheet && !pageStyleSheet->contents()->baseURL().isEmpty()) |
| return pageStyleSheet->contents()->baseURL().string(); |
| return emptyString(); |
| } |
| |
| InspectorStyleSheet::InspectorStyleSheet(InspectorPageAgent* pageAgent, const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, const String& documentURL, Listener* listener) |
| : m_pageAgent(pageAgent) |
| , m_id(id) |
| , m_pageStyleSheet(pageStyleSheet) |
| , m_origin(origin) |
| , m_documentURL(documentURL) |
| , m_isRevalidating(false) |
| , m_listener(listener) |
| { |
| m_parsedStyleSheet = new ParsedStyleSheet(); |
| } |
| |
| InspectorStyleSheet::~InspectorStyleSheet() |
| { |
| delete m_parsedStyleSheet; |
| } |
| |
| String InspectorStyleSheet::finalURL() const |
| { |
| String url = styleSheetURL(m_pageStyleSheet.get()); |
| return url.isEmpty() ? m_documentURL : url; |
| } |
| |
| void InspectorStyleSheet::reparseStyleSheet(const String& text) |
| { |
| { |
| // Have a separate scope for clearRules() (bug 95324). |
| CSSStyleSheet::RuleMutationScope mutationScope(m_pageStyleSheet.get()); |
| m_pageStyleSheet->contents()->clearRules(); |
| } |
| { |
| CSSStyleSheet::RuleMutationScope mutationScope(m_pageStyleSheet.get()); |
| m_pageStyleSheet->contents()->parseString(text); |
| m_pageStyleSheet->clearChildRuleCSSOMWrappers(); |
| m_inspectorStyles.clear(); |
| fireStyleSheetChanged(); |
| } |
| } |
| |
| bool InspectorStyleSheet::setText(const String& text) |
| { |
| if (!m_parsedStyleSheet) |
| return false; |
| |
| m_parsedStyleSheet->setText(text); |
| m_flatRules.clear(); |
| |
| return true; |
| } |
| |
| String InspectorStyleSheet::ruleSelector(const InspectorCSSId& id, ExceptionCode& ec) |
| { |
| CSSStyleRule* rule = ruleForId(id); |
| if (!rule) { |
| ec = NOT_FOUND_ERR; |
| return ""; |
| } |
| return rule->selectorText(); |
| } |
| |
| bool InspectorStyleSheet::setRuleSelector(const InspectorCSSId& id, const String& selector, ExceptionCode& ec) |
| { |
| CSSStyleRule* rule = ruleForId(id); |
| if (!rule) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| CSSStyleSheet* styleSheet = rule->parentStyleSheet(); |
| if (!styleSheet || !ensureParsedDataReady()) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| rule->setSelectorText(selector); |
| RefPtr<CSSRuleSourceData> sourceData = ruleSourceDataFor(rule->style()); |
| if (!sourceData) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| String sheetText = m_parsedStyleSheet->text(); |
| sheetText.replace(sourceData->ruleHeaderRange.start, sourceData->ruleHeaderRange.length(), selector); |
| m_parsedStyleSheet->setText(sheetText); |
| fireStyleSheetChanged(); |
| return true; |
| } |
| |
| static bool checkStyleRuleSelector(Document* document, const String& selector) |
| { |
| CSSSelectorList selectorList; |
| createCSSParser(document)->parseSelector(selector, selectorList); |
| return selectorList.first(); |
| } |
| |
| CSSStyleRule* InspectorStyleSheet::addRule(const String& selector, ExceptionCode& ec) |
| { |
| if (!checkStyleRuleSelector(m_pageStyleSheet->ownerDocument(), selector)) { |
| ec = SYNTAX_ERR; |
| return 0; |
| } |
| |
| String text; |
| bool success = getText(&text); |
| if (!success) { |
| ec = NOT_FOUND_ERR; |
| return 0; |
| } |
| StringBuilder styleSheetText; |
| styleSheetText.append(text); |
| |
| m_pageStyleSheet->addRule(selector, "", ec); |
| if (ec) |
| return 0; |
| ASSERT(m_pageStyleSheet->length()); |
| unsigned lastRuleIndex = m_pageStyleSheet->length() - 1; |
| CSSRule* rule = m_pageStyleSheet->item(lastRuleIndex); |
| ASSERT(rule); |
| |
| CSSStyleRule* styleRule = InspectorCSSAgent::asCSSStyleRule(rule); |
| if (!styleRule) { |
| // What we just added has to be a CSSStyleRule - we cannot handle other types of rules yet. |
| // If it is not a style rule, pretend we never touched the stylesheet. |
| m_pageStyleSheet->deleteRule(lastRuleIndex, ec); |
| ASSERT(!ec); |
| ec = SYNTAX_ERR; |
| return 0; |
| } |
| |
| if (!styleSheetText.isEmpty()) |
| styleSheetText.append('\n'); |
| |
| styleSheetText.append(selector); |
| styleSheetText.appendLiteral(" {}"); |
| // Using setText() as this operation changes the style sheet rule set. |
| setText(styleSheetText.toString()); |
| |
| fireStyleSheetChanged(); |
| |
| return styleRule; |
| } |
| |
| bool InspectorStyleSheet::deleteRule(const InspectorCSSId& id, ExceptionCode& ec) |
| { |
| RefPtr<CSSStyleRule> rule = ruleForId(id); |
| if (!rule) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| CSSStyleSheet* styleSheet = rule->parentStyleSheet(); |
| if (!styleSheet || !ensureParsedDataReady()) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| RefPtr<CSSRuleSourceData> sourceData = ruleSourceDataFor(rule->style()); |
| if (!sourceData) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| styleSheet->deleteRule(id.ordinal(), ec); |
| // |rule| MAY NOT be addressed after this line! |
| |
| if (ec) |
| return false; |
| |
| String sheetText = m_parsedStyleSheet->text(); |
| sheetText.remove(sourceData->ruleHeaderRange.start, sourceData->ruleBodyRange.end - sourceData->ruleHeaderRange.start + 1); |
| setText(sheetText); |
| fireStyleSheetChanged(); |
| return true; |
| } |
| |
| CSSStyleRule* InspectorStyleSheet::ruleForId(const InspectorCSSId& id) const |
| { |
| if (!m_pageStyleSheet) |
| return 0; |
| |
| ASSERT(!id.isEmpty()); |
| ensureFlatRules(); |
| return id.ordinal() >= m_flatRules.size() ? 0 : m_flatRules.at(id.ordinal()).get(); |
| |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyleSheetBody> InspectorStyleSheet::buildObjectForStyleSheet() |
| { |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return 0; |
| |
| RefPtr<CSSRuleList> cssRuleList = asCSSRuleList(styleSheet); |
| |
| RefPtr<TypeBuilder::CSS::CSSStyleSheetBody> result = TypeBuilder::CSS::CSSStyleSheetBody::create() |
| .setStyleSheetId(id()) |
| .setRules(buildArrayForRuleList(cssRuleList.get())); |
| |
| String styleSheetText; |
| bool success = getText(&styleSheetText); |
| if (success) |
| result->setText(styleSheetText); |
| |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyleSheetHeader> InspectorStyleSheet::buildObjectForStyleSheetInfo() |
| { |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return 0; |
| |
| Document* document = styleSheet->ownerDocument(); |
| Frame* frame = document ? document->frame() : 0; |
| RefPtr<TypeBuilder::CSS::CSSStyleSheetHeader> result = TypeBuilder::CSS::CSSStyleSheetHeader::create() |
| .setStyleSheetId(id()) |
| .setOrigin(m_origin) |
| .setDisabled(styleSheet->disabled()) |
| .setSourceURL(finalURL()) |
| .setTitle(styleSheet->title()) |
| .setFrameId(m_pageAgent->frameId(frame)); |
| |
| return result.release(); |
| } |
| |
| static PassRefPtr<TypeBuilder::Array<String> > selectorsFromSource(const CSSRuleSourceData* sourceData, const String& sheetText) |
| { |
| DEFINE_STATIC_LOCAL(RegularExpression, comment, ("/\\*[^]*?\\*/", TextCaseSensitive, MultilineEnabled)); |
| RefPtr<TypeBuilder::Array<String> > result = TypeBuilder::Array<String>::create(); |
| const SelectorRangeList& ranges = sourceData->selectorRanges; |
| for (size_t i = 0, size = ranges.size(); i < size; ++i) { |
| const SourceRange& range = ranges.at(i); |
| String selector = sheetText.substring(range.start, range.length()); |
| |
| // We don't want to see any comments in the selector components, only the meaningful parts. |
| replace(selector, comment, ""); |
| result->addItem(selector.stripWhiteSpace()); |
| } |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::SelectorList> InspectorStyleSheet::buildObjectForSelectorList(CSSStyleRule* rule) |
| { |
| RefPtr<CSSRuleSourceData> sourceData; |
| if (ensureParsedDataReady()) |
| sourceData = ruleSourceDataFor(rule->style()); |
| RefPtr<TypeBuilder::Array<String> > selectors; |
| |
| // This intentionally does not rely on the source data to avoid catching the trailing comments (before the declaration starting '{'). |
| String selectorText = rule->selectorText(); |
| |
| if (sourceData) |
| selectors = selectorsFromSource(sourceData.get(), m_parsedStyleSheet->text()); |
| else { |
| selectors = TypeBuilder::Array<String>::create(); |
| const CSSSelectorList& selectorList = rule->styleRule()->selectorList(); |
| for (CSSSelector* selector = selectorList.first(); selector; selector = CSSSelectorList::next(selector)) |
| selectors->addItem(selector->selectorText()); |
| } |
| RefPtr<TypeBuilder::CSS::SelectorList> result = TypeBuilder::CSS::SelectorList::create() |
| .setSelectors(selectors) |
| .setText(selectorText) |
| .release(); |
| if (sourceData) |
| result->setRange(buildSourceRangeObject(sourceData->ruleHeaderRange)); |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSRule> InspectorStyleSheet::buildObjectForRule(CSSStyleRule* rule) |
| { |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return 0; |
| |
| RefPtr<TypeBuilder::CSS::CSSRule> result = TypeBuilder::CSS::CSSRule::create() |
| .setSelectorList(buildObjectForSelectorList(rule)) |
| .setSourceLine(rule->styleRule()->sourceLine()) |
| .setOrigin(m_origin) |
| .setStyle(buildObjectForStyle(rule->style())); |
| |
| // "sourceURL" is present only for regular rules, otherwise "origin" should be used in the frontend. |
| if (m_origin == TypeBuilder::CSS::StyleSheetOrigin::Regular) |
| result->setSourceURL(finalURL()); |
| |
| if (canBind()) { |
| InspectorCSSId id(ruleId(rule)); |
| if (!id.isEmpty()) |
| result->setRuleId(id.asProtocolValue<TypeBuilder::CSS::CSSRuleId>()); |
| } |
| |
| RefPtr<Array<TypeBuilder::CSS::CSSMedia> > mediaArray = Array<TypeBuilder::CSS::CSSMedia>::create(); |
| |
| fillMediaListChain(rule, mediaArray.get()); |
| if (mediaArray->length()) |
| result->setMedia(mediaArray.release()); |
| |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyle> InspectorStyleSheet::buildObjectForStyle(CSSStyleDeclaration* style) |
| { |
| RefPtr<CSSRuleSourceData> sourceData; |
| if (ensureParsedDataReady()) |
| sourceData = ruleSourceDataFor(style); |
| |
| InspectorCSSId id = ruleOrStyleId(style); |
| if (id.isEmpty()) { |
| RefPtr<TypeBuilder::CSS::CSSStyle> bogusStyle = TypeBuilder::CSS::CSSStyle::create() |
| .setCssProperties(Array<TypeBuilder::CSS::CSSProperty>::create()) |
| .setShorthandEntries(Array<TypeBuilder::CSS::ShorthandEntry>::create()); |
| return bogusStyle.release(); |
| } |
| RefPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id); |
| RefPtr<TypeBuilder::CSS::CSSStyle> result = inspectorStyle->buildObjectForStyle(); |
| |
| // Style text cannot be retrieved without stylesheet, so set cssText here. |
| if (sourceData) { |
| String sheetText; |
| bool success = getText(&sheetText); |
| if (success) { |
| const SourceRange& bodyRange = sourceData->ruleBodyRange; |
| result->setCssText(sheetText.substring(bodyRange.start, bodyRange.end - bodyRange.start)); |
| } |
| } |
| |
| return result.release(); |
| } |
| |
| bool InspectorStyleSheet::setPropertyText(const InspectorCSSId& id, unsigned propertyIndex, const String& text, bool overwrite, String* oldText, ExceptionCode& ec) |
| { |
| RefPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id); |
| if (!inspectorStyle) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| bool success = inspectorStyle->setPropertyText(propertyIndex, text, overwrite, oldText, ec); |
| if (success) |
| fireStyleSheetChanged(); |
| return success; |
| } |
| |
| bool InspectorStyleSheet::toggleProperty(const InspectorCSSId& id, unsigned propertyIndex, bool disable, ExceptionCode& ec) |
| { |
| RefPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id); |
| if (!inspectorStyle) { |
| ec = NOT_FOUND_ERR; |
| return false; |
| } |
| |
| bool success = inspectorStyle->toggleProperty(propertyIndex, disable, ec); |
| if (success) { |
| if (disable) |
| rememberInspectorStyle(inspectorStyle); |
| else if (!inspectorStyle->hasDisabledProperties()) |
| forgetInspectorStyle(inspectorStyle->cssStyle()); |
| fireStyleSheetChanged(); |
| } |
| return success; |
| } |
| |
| bool InspectorStyleSheet::getText(String* result) const |
| { |
| if (!ensureText()) |
| return false; |
| *result = m_parsedStyleSheet->text(); |
| return true; |
| } |
| |
| CSSStyleDeclaration* InspectorStyleSheet::styleForId(const InspectorCSSId& id) const |
| { |
| CSSStyleRule* rule = ruleForId(id); |
| if (!rule) |
| return 0; |
| |
| return rule->style(); |
| } |
| |
| void InspectorStyleSheet::fireStyleSheetChanged() |
| { |
| if (m_listener) |
| m_listener->styleSheetChanged(this); |
| } |
| |
| PassRefPtr<InspectorStyle> InspectorStyleSheet::inspectorStyleForId(const InspectorCSSId& id) |
| { |
| CSSStyleDeclaration* style = styleForId(id); |
| if (!style) |
| return 0; |
| |
| InspectorStyleMap::iterator it = m_inspectorStyles.find(style); |
| if (it == m_inspectorStyles.end()) { |
| RefPtr<InspectorStyle> inspectorStyle = InspectorStyle::create(id, style, this); |
| return inspectorStyle.release(); |
| } |
| return it->value; |
| } |
| |
| void InspectorStyleSheet::rememberInspectorStyle(RefPtr<InspectorStyle> inspectorStyle) |
| { |
| m_inspectorStyles.set(inspectorStyle->cssStyle(), inspectorStyle); |
| } |
| |
| void InspectorStyleSheet::forgetInspectorStyle(CSSStyleDeclaration* style) |
| { |
| m_inspectorStyles.remove(style); |
| } |
| |
| InspectorCSSId InspectorStyleSheet::ruleOrStyleId(CSSStyleDeclaration* style) const |
| { |
| unsigned index = ruleIndexByStyle(style); |
| if (index != UINT_MAX) |
| return InspectorCSSId(id(), index); |
| return InspectorCSSId(); |
| } |
| |
| Document* InspectorStyleSheet::ownerDocument() const |
| { |
| return m_pageStyleSheet->ownerDocument(); |
| } |
| |
| RefPtr<CSSRuleSourceData> InspectorStyleSheet::ruleSourceDataFor(CSSStyleDeclaration* style) const |
| { |
| return m_parsedStyleSheet->ruleSourceDataAt(ruleIndexByStyle(style)); |
| } |
| |
| unsigned InspectorStyleSheet::ruleIndexByStyle(CSSStyleDeclaration* pageStyle) const |
| { |
| ensureFlatRules(); |
| unsigned index = 0; |
| for (unsigned i = 0, size = m_flatRules.size(); i < size; ++i) { |
| if (m_flatRules.at(i)->style() == pageStyle) |
| return index; |
| |
| ++index; |
| } |
| return UINT_MAX; |
| } |
| |
| bool InspectorStyleSheet::ensureParsedDataReady() |
| { |
| return ensureText() && ensureSourceData(); |
| } |
| |
| bool InspectorStyleSheet::ensureText() const |
| { |
| if (!m_parsedStyleSheet) |
| return false; |
| if (m_parsedStyleSheet->hasText()) |
| return true; |
| |
| String text; |
| bool success = originalStyleSheetText(&text); |
| if (success) |
| m_parsedStyleSheet->setText(text); |
| // No need to clear m_flatRules here - it's empty. |
| |
| return success; |
| } |
| |
| bool InspectorStyleSheet::ensureSourceData() |
| { |
| if (m_parsedStyleSheet->hasSourceData()) |
| return true; |
| |
| if (!m_parsedStyleSheet->hasText()) |
| return false; |
| |
| RefPtr<StyleSheetContents> newStyleSheet = StyleSheetContents::create(); |
| OwnPtr<RuleSourceDataList> ruleSourceDataResult = adoptPtr(new RuleSourceDataList()); |
| createCSSParser(m_pageStyleSheet->ownerDocument())->parseSheet(newStyleSheet.get(), m_parsedStyleSheet->text(), 0, ruleSourceDataResult.get()); |
| m_parsedStyleSheet->setSourceData(ruleSourceDataResult.release()); |
| return m_parsedStyleSheet->hasSourceData(); |
| } |
| |
| void InspectorStyleSheet::ensureFlatRules() const |
| { |
| // We are fine with redoing this for empty stylesheets as this will run fast. |
| if (m_flatRules.isEmpty()) |
| collectFlatRules(asCSSRuleList(pageStyleSheet()), &m_flatRules); |
| } |
| |
| bool InspectorStyleSheet::setStyleText(CSSStyleDeclaration* style, const String& text) |
| { |
| if (!pageStyleSheet()) |
| return false; |
| if (!ensureParsedDataReady()) |
| return false; |
| |
| String patchedStyleSheetText; |
| bool success = styleSheetTextWithChangedStyle(style, text, &patchedStyleSheetText); |
| if (!success) |
| return false; |
| |
| InspectorCSSId id = ruleOrStyleId(style); |
| if (id.isEmpty()) |
| return false; |
| |
| ExceptionCode ec = 0; |
| style->setCssText(text, ec); |
| if (!ec) |
| m_parsedStyleSheet->setText(patchedStyleSheetText); |
| |
| return !ec; |
| } |
| |
| bool InspectorStyleSheet::styleSheetTextWithChangedStyle(CSSStyleDeclaration* style, const String& newStyleText, String* result) |
| { |
| if (!style) |
| return false; |
| |
| if (!ensureParsedDataReady()) |
| return false; |
| |
| RefPtr<CSSRuleSourceData> sourceData = ruleSourceDataFor(style); |
| unsigned bodyStart = sourceData->ruleBodyRange.start; |
| unsigned bodyEnd = sourceData->ruleBodyRange.end; |
| ASSERT(bodyStart <= bodyEnd); |
| |
| String text = m_parsedStyleSheet->text(); |
| ASSERT(bodyEnd <= text.length()); // bodyEnd is exclusive |
| |
| text.replace(bodyStart, bodyEnd - bodyStart, newStyleText); |
| *result = text; |
| return true; |
| } |
| |
| InspectorCSSId InspectorStyleSheet::ruleId(CSSStyleRule* rule) const |
| { |
| return ruleOrStyleId(rule->style()); |
| } |
| |
| void InspectorStyleSheet::revalidateStyle(CSSStyleDeclaration* pageStyle) |
| { |
| if (m_isRevalidating) |
| return; |
| |
| m_isRevalidating = true; |
| ensureFlatRules(); |
| for (unsigned i = 0, size = m_flatRules.size(); i < size; ++i) { |
| CSSStyleRule* parsedRule = m_flatRules.at(i).get(); |
| if (parsedRule->style() == pageStyle) { |
| if (parsedRule->styleRule()->properties()->asText() != pageStyle->cssText()) { |
| // Clear the disabled properties for the invalid style here. |
| m_inspectorStyles.remove(pageStyle); |
| setStyleText(pageStyle, pageStyle->cssText()); |
| } |
| break; |
| } |
| } |
| m_isRevalidating = false; |
| } |
| |
| bool InspectorStyleSheet::originalStyleSheetText(String* result) const |
| { |
| bool success = inlineStyleSheetText(result); |
| if (!success) |
| success = resourceStyleSheetText(result); |
| return success; |
| } |
| |
| bool InspectorStyleSheet::resourceStyleSheetText(String* result) const |
| { |
| if (m_origin == TypeBuilder::CSS::StyleSheetOrigin::User || m_origin == TypeBuilder::CSS::StyleSheetOrigin::User_agent) |
| return false; |
| |
| if (!m_pageStyleSheet || !ownerDocument() || !ownerDocument()->frame()) |
| return false; |
| |
| String error; |
| bool base64Encoded; |
| InspectorPageAgent::resourceContent(&error, ownerDocument()->frame(), KURL(ParsedURLString, m_pageStyleSheet->href()), result, &base64Encoded); |
| return error.isEmpty() && !base64Encoded; |
| } |
| |
| bool InspectorStyleSheet::inlineStyleSheetText(String* result) const |
| { |
| if (!m_pageStyleSheet) |
| return false; |
| |
| Node* ownerNode = m_pageStyleSheet->ownerNode(); |
| if (!ownerNode || ownerNode->nodeType() != Node::ELEMENT_NODE) |
| return false; |
| Element* ownerElement = static_cast<Element*>(ownerNode); |
| |
| if (!ownerElement->hasTagName(HTMLNames::styleTag) |
| #if ENABLE(SVG) |
| && !ownerElement->hasTagName(SVGNames::styleTag) |
| #endif |
| ) |
| return false; |
| *result = ownerElement->textContent(); |
| return true; |
| } |
| |
| PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSRule> > InspectorStyleSheet::buildArrayForRuleList(CSSRuleList* ruleList) |
| { |
| RefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSRule> > result = TypeBuilder::Array<TypeBuilder::CSS::CSSRule>::create(); |
| if (!ruleList) |
| return result.release(); |
| |
| RefPtr<CSSRuleList> refRuleList = ruleList; |
| CSSStyleRuleVector rules; |
| collectFlatRules(refRuleList, &rules); |
| |
| for (unsigned i = 0, size = rules.size(); i < size; ++i) |
| result->addItem(buildObjectForRule(rules.at(i).get())); |
| |
| return result.release(); |
| } |
| |
| void InspectorStyleSheet::collectFlatRules(PassRefPtr<CSSRuleList> ruleList, CSSStyleRuleVector* result) |
| { |
| if (!ruleList) |
| return; |
| |
| for (unsigned i = 0, size = ruleList->length(); i < size; ++i) { |
| CSSRule* rule = ruleList->item(i); |
| CSSStyleRule* styleRule = InspectorCSSAgent::asCSSStyleRule(rule); |
| if (styleRule) |
| result->append(styleRule); |
| else { |
| RefPtr<CSSRuleList> childRuleList = asCSSRuleList(rule); |
| if (childRuleList) |
| collectFlatRules(childRuleList, result); |
| } |
| } |
| } |
| |
| PassRefPtr<InspectorStyleSheetForInlineStyle> InspectorStyleSheetForInlineStyle::create(InspectorPageAgent* pageAgent, const String& id, PassRefPtr<Element> element, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, Listener* listener) |
| { |
| return adoptRef(new InspectorStyleSheetForInlineStyle(pageAgent, id, element, origin, listener)); |
| } |
| |
| InspectorStyleSheetForInlineStyle::InspectorStyleSheetForInlineStyle(InspectorPageAgent* pageAgent, const String& id, PassRefPtr<Element> element, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, Listener* listener) |
| : InspectorStyleSheet(pageAgent, id, 0, origin, "", listener) |
| , m_element(element) |
| , m_ruleSourceData(0) |
| , m_isStyleTextValid(false) |
| { |
| ASSERT(m_element); |
| m_inspectorStyle = InspectorStyle::create(InspectorCSSId(id, 0), inlineStyle(), this); |
| m_styleText = m_element->isStyledElement() ? m_element->getAttribute("style").string() : String(); |
| } |
| |
| void InspectorStyleSheetForInlineStyle::didModifyElementAttribute() |
| { |
| m_isStyleTextValid = false; |
| if (m_element->isStyledElement() && m_element->style() != m_inspectorStyle->cssStyle()) |
| m_inspectorStyle = InspectorStyle::create(InspectorCSSId(id(), 0), inlineStyle(), this); |
| m_ruleSourceData.clear(); |
| } |
| |
| bool InspectorStyleSheetForInlineStyle::getText(String* result) const |
| { |
| if (!m_isStyleTextValid) { |
| m_styleText = elementStyleText(); |
| m_isStyleTextValid = true; |
| } |
| *result = m_styleText; |
| return true; |
| } |
| |
| bool InspectorStyleSheetForInlineStyle::setStyleText(CSSStyleDeclaration* style, const String& text) |
| { |
| ASSERT_UNUSED(style, style == inlineStyle()); |
| ExceptionCode ec = 0; |
| |
| { |
| InspectorCSSAgent::InlineStyleOverrideScope overrideScope(m_element->ownerDocument()); |
| m_element->setAttribute("style", text, ec); |
| } |
| |
| m_styleText = text; |
| m_isStyleTextValid = true; |
| m_ruleSourceData.clear(); |
| return !ec; |
| } |
| |
| Document* InspectorStyleSheetForInlineStyle::ownerDocument() const |
| { |
| return m_element->document(); |
| } |
| |
| bool InspectorStyleSheetForInlineStyle::ensureParsedDataReady() |
| { |
| // The "style" property value can get changed indirectly, e.g. via element.style.borderWidth = "2px". |
| const String& currentStyleText = elementStyleText(); |
| if (m_styleText != currentStyleText) { |
| m_ruleSourceData.clear(); |
| m_styleText = currentStyleText; |
| m_isStyleTextValid = true; |
| } |
| |
| if (m_ruleSourceData) |
| return true; |
| |
| m_ruleSourceData = CSSRuleSourceData::create(CSSRuleSourceData::STYLE_RULE); |
| bool success = getStyleAttributeRanges(m_ruleSourceData.get()); |
| if (!success) |
| return false; |
| |
| return true; |
| } |
| |
| PassRefPtr<InspectorStyle> InspectorStyleSheetForInlineStyle::inspectorStyleForId(const InspectorCSSId& id) |
| { |
| ASSERT_UNUSED(id, !id.ordinal()); |
| return m_inspectorStyle; |
| } |
| |
| CSSStyleDeclaration* InspectorStyleSheetForInlineStyle::inlineStyle() const |
| { |
| return m_element->style(); |
| } |
| |
| const String& InspectorStyleSheetForInlineStyle::elementStyleText() const |
| { |
| return m_element->getAttribute("style").string(); |
| } |
| |
| bool InspectorStyleSheetForInlineStyle::getStyleAttributeRanges(CSSRuleSourceData* result) const |
| { |
| if (!m_element->isStyledElement()) |
| return false; |
| |
| if (m_styleText.isEmpty()) { |
| result->ruleBodyRange.start = 0; |
| result->ruleBodyRange.end = 0; |
| return true; |
| } |
| |
| RefPtr<StylePropertySet> tempDeclaration = StylePropertySet::create(); |
| createCSSParser(m_element->document())->parseDeclaration(tempDeclaration.get(), m_styleText, result, m_element->document()->elementSheet()->contents()); |
| return true; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(INSPECTOR) |
